HiFi Loudspeaker Design

Calculate Attenuation Circuit ( L-Pad )


Speaker impedance:		Ohm
Wanted Attenuation:		dB

Series resistance R₁:	Ohm
Parallel resistance R₂:	Ohm

Calculate here the attenuation and new driver-impedance of an existing attenuation circuit or with resistors different then calculated before.

Important:
Impedance from this circuit has to be as close as possible to the original driver impedance. If the difference is >0.25 ohm the filter function is deviating of the computations.

Enter R₁, R₂ and the driver impedance.
The impedance and attenuation of the circuit including the driver will be calculated.

This can be usefull if you have to use resistors with a different values then calculated for the attenuation circuit.

Driver impedance:

ohm

Series resistance R₁

ohm

Parallel resistance R₂

ohm

Driver impedance (incl. attenuator):

ohm

Attenuation:

Driver impedance difference:

ohm

Message:

The changed Driver impedance is important to calculate the Crossover Network!

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